Applying Software Failure Modes and Effects Analysis to Interfaces

Software failure modes and effects analysis (SFMEA) is sometimes applied to new mission-critical and safety-critical system development. This kind of analysis, like its older cousin Hardware FMEA (HFMEA), tries to determine all possible types of failure for each component, one by one, and attempts to predict system-level effects for each failure.

Topics covered:

  • Introduction
  • A Closer Look at Software Interface Risks
  • Defective Interface Definitions
  • Unexpected Operational Performance
  • What to Look for and Implications
  • Understanding Interface Designs
  • SFMEA at Interfaces, Step by Step
  • Avoiding Descriptive Overkill
  • Wiring Considerations

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